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  #1  
Old 05-08-2017, 04:07 PM
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setting engine at TDC

I'm trying to set it up at TDC and turning the socket to clockwise but it feels like getting stuck at about a half turn either clockwise or counterclockwise....

i don't want to break anything and does it take some power to sett it at TDC?
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  #2  
Old 05-08-2017, 05:09 PM
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Quote:
Originally Posted by taeandji View Post
I'm trying to set it up at TDC and turning the socket to clockwise but it feels like getting stuck at about a half turn either clockwise or counterclockwise....

i don't want to break anything and does it take some power to sett it at TDC?
you are turning against the compression of the motor so there is resistance on each stroke.
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  #3  
Old 05-08-2017, 05:16 PM
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It moved fairly easily until it stop turning though... Should i keep turning clockwise? Will this break the chain by chance?
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  #4  
Old 05-08-2017, 05:32 PM
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Wait...does tranny needs to be in the neutral?
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Old 05-08-2017, 05:52 PM
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Originally Posted by taeandji View Post
Wait...does tranny needs to be in the neutral?
Is this about your '47 Massey-Ferguson?
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  #6  
Old 05-08-2017, 06:15 PM
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Samething even it is in N position crank stop in 0200
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Old 05-08-2017, 06:16 PM
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W124
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  #8  
Old 05-08-2017, 06:28 PM
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if the viscous clutch is still attached to the motor... will it not turn?
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Old 05-08-2017, 07:58 PM
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I guess a good question to ask is WHY are you turning it to TDC? Is this a running engine? If so, you should be able to turn it in the direction of normal rotation for days and days with a breaker bar and socket attached to the crank pulley. Remember, this is how the starter motor works...
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  #10  
Old 05-08-2017, 09:46 PM
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I'm replacing the head gasket on m104 engine right now due to overheating and severe oil leak when i got it...

i'm using 1/2" 20 inch long ratchet to turn it.... do i need to use a breaker bar to set it to TDC?
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  #11  
Old 05-08-2017, 11:54 PM
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Remove the spark plugs so it's easier to turn.

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  #12  
Old 05-08-2017, 11:59 PM
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Originally Posted by sixto View Post
Remove the spark plugs so it's easier to turn.

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all 6 were removed already
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  #13  
Old 05-09-2017, 12:50 AM
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If the cams aren't timed and you cant turn the engine then you are binding on the valves. Attempting to continue turning will bend valves.

If you can turn the engine to 40 degrees BTDC you should be able to move the cams until they are close, then go to TDC and time the engine.
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Old 05-09-2017, 01:03 AM
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Originally Posted by duxthe1 View Post
If the cams aren't timed and you cant turn the engine then you are binding on the valves. Attempting to continue turning will bend valves.

If you can turn the engine to 40 degrees BTDC you should be able to move the cams until they are close, then go to TDC and time the engine.
i was assuming everything was still together but you may be on to something......i wonder where he is exactly in the "process".......
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  #15  
Old 05-09-2017, 01:59 AM
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Quote:
Originally Posted by duxthe1 View Post
If the cams aren't timed and you cant turn the engine then you are binding on the valves. Attempting to continue turning will bend valves.

If you can turn the engine to 40 degrees BTDC you should be able to move the cams until they are close, then go to TDC and time the engine.
That's what i was suspected and afraid force to turn.... and break something...
I will look into cams in the morning.

Thanks.
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